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Holley EFI CAN Splitters

Holley EFI CAN splitters enable you to add an additional CAN device to your Holley or Sniper EFI systems, without the need to unplug the handheld. This easy-to-install wiring harness simply plugs into the CAN connector on your main harness—then lets you plug in any Holley EFI CAN device, such as a digital dash or USB to the CAN communication cable. Boost the versatility of your fuel injection wiring with Holley splitters.

4.56 out of 5 stars ( 9 )

$47.13

Holley Terminator X and X MAX Engine Control Module Wiring Harnesses

Holley's Terminator X and Terminator X Max ECUs give you complete control of your engine, self-learning fuel strategies, and the race-winning technology of Holley EFI at a budget-friendly price. When you need to service your system, Holley has the components that will fit and perform as expected. Holley Terminator X/X Max engine control module wiring harnesses allow you to access the inputs and outputs built into the Terminator X or Terminator X Max ECU. These harnesses have all eight pins populated, four inputs and four outputs. Features: * 36 in. flying leads * Pre-terminated at ECU connector * Eight wires * Sealed connector

5.0 out of 5 stars ( 2 )

$40.48

Holley Sniper EFI Dual Sync Distributor Adapter Harnesses

Holley Sniper EFI dual sync distributor adapter harnesses ensure your Sniper EFI ignition installation is a snap. Simply plug up both connectors, terminate the pink wire to a switched 12 V ignition source, and you're finished.

Not Yet Reviewed

$48.03

Holley Sniper 2 EFI M8 Extension Harnesses

Holley offers extension harnesses that are ideal for connecting any Sniper 2 EFI M8 4-pin accessories, such as the Bluetooth module, 5 in. Sniper 2 Dash, or 12.3 in. and 6.86 in. Pro Dash. The fuel injection system harnesses are available in 4 ft. and 8 ft. lengths.

Not Yet Reviewed

$40.22

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$45.97

Holley Sniper EFI HyperSpark CD Ignition Box Wiring Harnesses

Holley Sniper EFI HyperSpark CD ignition box wiring harnesses plug-and-play with existing HyperSpark installations, or Sniper EFI HyperSpark main harnesses. They can also be used as replacements for Sniper EFI Hyperspark and Hyperspark 2 ignition boxes. Sniper EFI HyperSpark CD ignition box service harnesses include the switched 12 V power, main battery power and ground, ignition coil, and points or electronic ignition amplifier output wires. Each harness is wrapped in black split wire loom to keep the wires protected and your engine bay clean.

Not Yet Reviewed

$34.47

Holley Sniper 2 EFI Input/Output Wiring Harnesses

Holley Sniper 2 EFI input/output wiring harnesses give you access to two ground trigger inputs, two ground trigger outputs, the points output, tachometer output, and digital gauge output wires. The input grounds can be used for things such as AC Kick and nitrous stage activation. The output grounds can be used for electronic fan control, or A/C shutdown at WOT. This harness includes an additional 0-5 V TPS output commonly used for transmission control units, and a tach output wire to drive most common aftermarket tachometers. Additional details: * Wires come individually labeled for easy identification * 4 x 5 ft. long output wires * 2 x 5 ft. long input wires

4.8 out of 5 stars ( 5 )

$45.97

Holley Pro-Jection Service Parts

These Holley Pro-Jection service parts are available for today's most popular Pro-Jection kits. Whether you have an old analog or new digital system, we have the replacement parts for you. Map sensors, fuel injectors, oxygen sensors, extension cables, a variety of fittings and adapters, and many other parts are available to keep your Pro-Jection system operating efficiently.

5.0 out of 5 stars ( 2 )

$49.99

Holley EFI CAN Adapter Harnesses

Holley EFI CAN adapter harnesses are available in several options. Offered are male to female harnesses in several lengths for Racepak and other external CAN devices, harnesses that adapt 2-pin Holley main harness CAN connectors to newer 4-pin CAN devices, and kits that directly connect Racepak Vnet/Holley to either the J1A (HP and Dominator ECUs) or J3 (Dominator ECU only) connectors. Create secure connections with genuine Holley EFI CAN adapter harnesses.

Not Yet Reviewed

$43.02

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$44.82

Holley Sniper EFI Installation Kits

Holley Sniper EFI installation kits contain all of the small mechanical and electrical tidbits you might need while installing a Sniper EFI throttle body system. Are you building a new engine combination with Sniper EFI? Or maybe you misplaced some of the carburetor studs or the throttle linkage stud when you removed your carburetor? Holley Sniper EFI kits will save you a hassle. Features include: * Four carburetor studs and nuts * Throttle linkage stud assortment * Universal air cleaner stud * Zip-ties to keep wires and cables away from harm * Assorted wiring connectors for OEM-quality connections * 4150 flange base gasket, 2300 flange base gasket, and an air cleaner gasket

4.25 out of 5 stars ( 4 )

$48.74

Holley Sniper EFI IAC Plugs

The Holley Sniper EFI remote IAC and plug is designed to gain installation clearance on some Sniper EFI 2x4 installations. With select intake manifolds, the distributor housing and IAC valve on the back of the Sniper EFI throttle body are fighting for the same real estate. This plug allows you to use Holley's remote IAC kit—which utilizes the factory Sniper EFI wiring and IAC connector to relocate the IAC off of the throttle body for a clean installation.

5.0 out of 5 stars ( 1 )

$33.73

Holley Replacement Fuel Injector Wiring Harnesses

These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap!

5.0 out of 5 stars ( 14 )

$44.82

Holley Throttle Cable Brackets

Holley throttle cable brackets are a nice finishing touch for street rods, street machines, or street/strip cars and trucks. The brackets are available in a variety of mounting styles, and for use with nearly a dozen carburetor models. Brackets for fuel injection style applications are also offered. Choose from among materials and finishes like anodized aluminum and chrome or plated steel. These throttle cable accessories can be ordered for universal or carb-specific replacement.

4.54 out of 5 stars ( 186 )

$33.73

Holley Coolant Temperature Sensors

Holley offers several coolant temperature sensors designed for use with their Pro-Jection, Sniper, and other fuel injection systems. They feature brass construction with 3/8 in. thread and will provide the ideal fit and function to monitor your engine's coolant temperature. Select the one designed for your system.

4.53 out of 5 stars ( 19 )

$38.40

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$40.49

Holley Terminator EFI Air Temperature Sensors

Make sure that your Holley Terminator electronic fuel Injection setup is running at the optimum level with a Terminator EFI air temperature sensor. These parts originally come with the Holley Terminator EFI kit, but over time, the sensor will need to be replaced to keep your system running smoothly and reliably. Continue with the added benefits of EFI by replacing your Terminator air temperature sensors when the time comes with genuine Holley products.

3.4 out of 5 stars ( 5 )

$31.99

Holley EFI Replacement Regulator Kits

Holley EFI replacement regulator kits are perfect for when the need to repair your EFI regulator. Whether you have a Holley retrofit fuel pump module, Sniper throttle body, or Holley and Quick Fuel EFI filter regulator, these kits have what you need. The aluminum assembly contains a 175 gph 10-micron filter (when applicable), seal and a regulator preset at 59.5 psi.

4.11 out of 5 stars ( 19 )

$29.91

Holley Terminator EFI HyperSpark Ignition Adapters

Holley Terminator EFI HyperSpark ignition adapters are designed to plug-and-play with HyperSpark distributors and Holley EFI main harnesses with an ignition connector. They enable you to run a "timed sequential" fuel strategy for faster responses and cleaner emissions. Complete the improvement of your driving experience with a Holley Terminator EFI HyperSpark ignition adapter.

5.0 out of 5 stars ( 2 )

$47.24

Holley EFI Pro-Billet Ignition Adapters

Holley EFI Pro-Billet ignition adapters allow for plug-and-play ignition timing control when utilizing an MSD Pro-Billet distributor and Holley EFI main harness with an ignition connector. The adapters are ideal for use with Terminator X electronic fuel injection.

5.0 out of 5 stars ( 3 )

$40.22

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$40.48

Holley Replacement Accessory Drive Hardware

Holley offers cost-effective solutions that solve the accessory drive challenges, including these replacement accessory drive hardware kits. They contain a quality source of supplemental hardware, from nuts to bolts, spacers to bushings, and more.

5.0 out of 5 stars ( 1 )

$29.46

Holley Idler Pulleys

Holley idler pulleys are designed to help keep your belt in place during high rpm. They are manufactured from quality materials and are available in different designs to fit your specific belt.

5.0 out of 5 stars ( 4 )

$42.27

Holley Pro-Jection Fuel Filters

Available in both metal and plastic versions, these Holley Pro-Jection fuel filters are designed for use with all Pro-Jection systems. They filter out damaging particles and contaminants to keep your fuel running cleaner and flowing better.

4.35 out of 5 stars ( 17 )

$41.95

Holley Accelerator Pump Discharge Nozzles

Holley accelerator pump discharge nozzles are invaluable when it comes time to tune your accelerator pump system. By keeping a good selection on hand, you can effectively adjust the rate of fuel delivered to your engine by switching back and forth between nozzle sizes.

4.78 out of 5 stars ( 160 )

$24.75

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$47.78

Holley Sniper Air Cleaner Bases

Complete your Sniper EFI install with Holley's 1 in. drop air cleaner base to gain some extra underhood room and unleash the full potential of your new fuel injection system without modification! These bases are designed specifically for use with the Sniper EFI 4BBL throttle body and a 14 in. air cleaner element and lid. Each stamped steel base features a generous 1 in. drop with the necessary clearance bulges for use of the front mounted fuel inlets on the Sniper EFI unit. The air cleaner bases are available in your choice of a chrome or black powdercoat finish to best match your Sniper EFI unit. Additional details: * 1 in. drop base with necessary clearances for the use of your Sniper EFI 4BBl TBI's front mounted fuel inlets * Compatible with Holley Vapor Guard -6 90 degree to 3/8 in. (P/N 759166ERL) fittings * Designed for use with 14 in. diameter air cleaner filter elements * Stamped steel construction for improved durability

4.33 out of 5 stars ( 3 )

$32.64

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$42.45

Holley EFI Tach Input Ignition Adapters

Holley EFI tachometer input ignition adapters are for applications using a CD Box, such as an MSD 6AL, while not using timing control. They're designed for use with Sniper 2 EFI systems and external ignition control boxes with tachometer signal output. Not for direct connection to coil.

Not Yet Reviewed

$28.71

Holley Shielded Cable Conductor Wires

Holley shielded cable conductor wires are great for wiring up EFI systems or for any wiring job requiring heavy-duty 20-gauge wire. Each cable is internally shielded for maximum noise rejection and come in a variety of different sizes.

5.0 out of 5 stars ( 4 )

$46.69

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